Home / 87,228,517,490.28-120,375,354,368.32-47,130,496,878.78

Finding the Fourth Proportional to 87,228,517,490.28, 120,375,354,368.32 and 47,130,496,878.78

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Solution

The fourth proportional to 87,228,517,490.28, 120,375,354,368.32 and 47,130,496,878.78 is: 65,040,085,817.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,228,517,490.28 : 120,375,354,368.32 = 47,130,496,878.78 : x
  2. Step 2: Convert to fraction form
    87,228,517,490.28/120,375,354,368.32 = 47,130,496,878.78/x
  3. Step 3: Cross multiply
    87,228,517,490.28x = 120,375,354,368.32 × 47,130,496,878.78
  4. Step 4: Simplify right side
    87,228,517,490.28x = 5,673,350,263,338,142,007,296
  5. Step 5: Solve for x
    x = 5,673,350,263,338,142,007,296/87,228,517,490.28
  6. Step 6: Final answer
    x = 65,040,085,817.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.